Rattlesnake mating sessions have been known to last more than 22 hours.
232
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
Penguins have a gland above their eye that turns saltwater into freshwater.
12
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
There's a rare breed of pig that looks like a sheep.
14
All pandas are ‘owned’ by China. They rent them out to zoos for $1mil/year each with minimum of 10 years.
16